http://woooh.com/post/learn_ajax.html Ajax Basic Tutorial http://developer.mozilla.org/en/docs/ajax: Getting_Started This is the original text
http://jibbering.com/2002/4/HttpRequest.html Using The XML HTTP Request Object
Http://www.ajaxcn.cn/Article.php?id=017 Understand Ajax and Its Work Principle, Building a Works Http://www-128.ibm.com/developerWorks/xml/library/wa -ajaxintro1.html This is the original text
Http://www.ajaxcn.cn/Article.php?id=005 AJAX Framework Summary
Asynchronous JavaScript and XML This is a full name of Ajax
Ajax includes four contents: JavaScript, CSS, DHTML, XMLHttpRequest. This is seen in the past few days, forgot where to see.
http://adaptivepath.com/publications/essays/archives/000385.php About the definition of Ajax
XMLHttpRequest object method
Method Description Abort () Stop Current Request GetAllResponseHeaders () As a string to come up with the complete HeadersgetResponsehead ("HeaderLabel") as a string, come to a single Header tag Open ("Method", "URL" [, asyncflag [, "username" [, "Password"]]] Set the target URL, method, and other parameter send ("Label", "Label", "Label", "Label", "Label", "Label", "Label", "Label", "Label", "Label", "Value". Send with the request
XMLHttpRequest object properties
Attribute Description OnReadyStateChange Status Change Event Trigger ReadyState Object Status (Integer): 0 = Not initialization 1 = Read 2 = Read 3 = Interaction 4 = Complete the text version of the ResponseText server process Return to data Return data Compatible with the DOM's XML Document Object Status server returns the status code, such as: 404 = "File, 200 =" Success "Statustext server returned status text information
The above STATUS is valid if the server is passed through the server. If it is tested in HTML locally, its value is always 0 in a server like IIS or Tomcat.
